EMERALD ADVISERS, LLC
Long book
$3.16B
Q1 2026
Positions
248
Top-10 weight
20%
concentration
Last quarter
+32.6%
SPY +14.8%
Turnover
14%
of book per quarter
Strategy in plain words
auto-generated from filingsEMERALD ADVISERS, LLC is an institutional manager, running a $3.16B US long book across 248 positions.
The portfolio is broadly diversified across 248 positions (top 10 only 20%). Turnover is modest: positions are typically held for years. Current anchor positions: MODINE MANUFACTURING CO, GUARDANT HEALTH INC, BLOOM ENERGY CORP- A, TTM TECHNOLOGIES, COGENT BIOSCIENCES INC.
Over the last 9 quarters its long book ran on average 4.2pp per quarter ahead of the S&P 500, beating the index in 7 of 9 quarters. Signal value of individual moves is limited — treat changes as weak evidence.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
+3.4%
Q2 2024
+6.7%
Q3 2024
+2.8%
Q4 2024
-14.6%
Q1 2025
+21.9%
Q2 2025
+18.3%
Q3 2025
+6.5%
Q4 2025
+0.0%
Q1 2026
+32.6%
Sector allocation
Technology 28%
Healthcare 22%
Industrials 22%
Financials 11%
Services media 5%
Consumer discretionary 5%
Other 4%
Consumer staples 1%
Long book by quarter
What does EMERALD ADVISERS, own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| MOD MODINE MANUFACTURING CO | Industrials | 378.1K | $81.9M | 2.6% | -3.0% |
| GH GUARDANT HEALTH INC | Healthcare | 841.9K | $77.8M | 2.5% | -2.3% |
| BE BLOOM ENERGY CORP- A | Industrials | 541.8K | $73.4M | 2.3% | -3.1% |
| TTMI TTM TECHNOLOGIES | Technology | 750.4K | $73.1M | 2.3% | -18.0% |
| COGT COGENT BIOSCIENCES INC | Healthcare | 1.6M | $61.1M | 1.9% | +0.3% |
| KTOS KRATOS DEFENSE & SECURITY | Industrials | 835.9K | $58.9M | 1.9% | -4.5% |
| VSEC VSE CORP | Services media | 314.8K | $58.0M | 1.8% | +12.6% |
| FN FABRINET | Technology | 107.5K | $56.1M | 1.8% | -1.6% |
| AGX ARGAN INC | Industrials | 95.3K | $51.9M | 1.6% | -2.9% |
| AIR AAR CORP | Industrials | 445.7K | $48.8M | 1.5% | +6.3% |
| CRDO CREDO TECHNOLOGY GROUP HOLDI | Technology | 498.6K | $46.8M | 1.5% | +0.5% |
| TVTX TRAVERE THERAPEUTICS INC | Healthcare | 1.6M | $46.3M | 1.5% | -2.3% |
| ESE ESCO TECHNOLOGIES INC | Technology | 162.7K | $45.8M | 1.4% | -2.4% |
| MRCY MERCURY SYSTEMS INC | Technology | 595.3K | $43.4M | 1.4% | +12.1% |
| LIVN LIVANOVA PLC | Healthcare | 670.2K | $42.6M | 1.3% | -4.4% |
| LASR NLIGHT INC | Technology | 746.7K | $42.6M | 1.3% | -4.5% |
| RMBS RAMBUS INC | Technology | 493.2K | $42.4M | 1.3% | -21.3% |
| AX AXOS FINANCIAL INC | Financials | 496.2K | $42.2M | 1.3% | -4.8% |
| EYE NATIONAL VISION HOLDINGS INC | Healthcare | 1.5M | $38.9M | 1.2% | -4.0% |
| BBIO BRIDGEBIO PHARMA INC | Healthcare | 515.4K | $38.3M | 1.2% | -3.8% |
| KLIC KULICKE & SOFFA INDUSTRIES | Technology | 569.0K | $37.4M | 1.2% | +5.5% |
| AAOI APPLIED OPTOELECTRONICS INC | Technology | 433.9K | $36.7M | 1.2% | -35.3% |
| MIRM MIRUM PHARMACEUTICALS INC | Healthcare | 397.3K | $36.7M | 1.2% | +8.2% |
| PLMR PALOMAR HOLDINGS INC | Financials | 298.4K | $35.7M | 1.1% | -1.2% |
| SMTC SEMTECH CORP | Technology | 457.0K | $35.1M | 1.1% | -2.9% |
| IPGP IPG PHOTONICS CORP | Technology | 304.9K | $34.9M | 1.1% | +49.4% |
| RSI RUSH STREET INTERACTIVE INC | Services media | 1.6M | $34.2M | 1.1% | -2.0% |
| TMDX TRANSMEDICS GROUP INC | Healthcare | 342.8K | $34.1M | 1.1% | -2.4% |
| PLXS PLEXUS CORP | Technology | 166.5K | $33.7M | 1.1% | New |
| SEI SOLARIS ENERGY INFRASTRUCTUR | Industrials | 594.7K | $33.6M | 1.1% | -5.1% |
| AVAV AEROVIRONMENT INC | Industrials | 179.9K | $32.9M | 1.0% | -15.0% |
| STRL STERLING INFRASTRUCTURE INC | Industrials | 79.8K | $32.5M | 1.0% | -2.7% |
| IMAX IMAX CORP | Other | 849.1K | $32.3M | 1.0% | -0.5% |
| OLLI OLLIE'S BARGAIN OUTLET HOLDI | Consumer discretionary | 347.1K | $31.9M | 1.0% | +16.3% |
| IDCC INTERDIGITAL INC | Financials | 104.1K | $31.4M | 1.0% | +86.3% |
| MC MOELIS & CO - CLASS A | Financials | 548.1K | $31.2M | 1.0% | -11.0% |
| CECO CECO ENVIRONMENTAL CORP | Industrials | 523.0K | $31.2M | 1.0% | +14.1% |
| SYRE SPYRE THERAPEUTICS INC | Healthcare | 613.4K | $30.9M | 1.0% | -3.6% |
| BOOT BOOT BARN HOLDINGS INC | Consumer discretionary | 208.4K | $30.5M | 1.0% | +14.7% |
| UMBF UMB FINANCIAL CORP | Financials | 267.4K | $30.2M | 1.0% | -2.9% |
| ATRO ASTRONICS CORP | Industrials | 449.1K | $30.0M | 0.9% | +85.0% |
| SPXC SPX TECHNOLOGIES INC | Industrials | 147.3K | $29.4M | 0.9% | -3.6% |
| ARLO ARLO TECHNOLOGIES INC | Services media | 2.0M | $28.7M | 0.9% | -2.0% |
| NKTR NEKTAR THERAPEUTICS | Healthcare | 394.6K | $28.4M | 0.9% | +2.7% |
| FRPT FRESHPET INC | Consumer staples | 480.7K | $28.3M | 0.9% | +15.2% |
| PDFS PDF SOLUTIONS INC | Technology | 860.8K | $28.2M | 0.9% | -8.8% |
| PIPR PIPER SANDLER COS | Financials | 360.6K | $27.6M | 0.9% | New |
| SKWD SKYWARD SPECIALTY INSURANCE | Financials | 627.9K | $27.4M | 0.9% | -4.5% |
| ALGT ALLEGIANT TRAVEL CO | Industrials | 338.0K | $27.4M | 0.9% | -3.4% |
| TBBK BANCORP INC/THE | Financials | 491.3K | $26.4M | 0.8% | -17.4% |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 4, 2026 | 248 | $3.16B | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 9, 2026 | 246 | $3.25B | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Oct 30, 2025 | 257 | $3.12B | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 4, 2025 | 248 | $2.73B | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 1, 2025 | 243 | $2.22B | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 11, 2025 | 254 | $2.58B | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Oct 29, 2024 | 248 | $2.59B | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 6, 2024 | 247 | $2.38B | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 8, 2024 | 243 | $2.49B | canonical | SEC ↗ |
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